Finding the Fourth Proportional to 214,130.94, 320,917.34 and 119,357.28
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Solution
The fourth proportional to 214,130.94, 320,917.34 and 119,357.28 is: 178,880.37
Step by Step Solution
- Step 1: Write the proportion equation
214,130.94 : 320,917.34 = 119,357.28 : x - Step 2: Convert to fraction form
214,130.94/320,917.34 = 119,357.28/x - Step 3: Cross multiply
214,130.94x = 320,917.34 × 119,357.28 - Step 4: Simplify right side
214,130.94x = 38,303,820,807.24 - Step 5: Solve for x
x = 38,303,820,807.24/214,130.94 - Step 6: Final answer
x = 178,880.37
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.